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4. On a national test of "mental intensity," u is 20 and the standard deviation 6.28. Students in your class produce the following scores: 25, 26, 34, 14, 33, 29, 22, 18, 16, 13, 21, 20, 22, 21, 34, 30 Using the criterion of 0.05 and both tails of the sampling distribution, determine if your class is representative of the population. a. State the null and alternative hypotheses. b. Using an alpha = 0.05, what is t (crit)? c. Using SPSS, calculate t (obt) (Use One Sample t test to get this info) d. What should you conclude? E Focus

4. On a national test of "mental intensity," u is 20 and the standard deviation 6.28. Students in your class produce the following scores: 25, 26, 34, 14, 33, 29, 22, 18, 16, 13, 21, 20, 22, 21, 34, 30 Using the criterion of 0.05 and both tails of the sampling distribution, determine if your class is representative of the population. a. State the null and alternative hypotheses. b. Using an alpha = 0.05, what is t (crit)? c. Using SPSS, calculate t (obt) (Use One Sample t test to get this info) d. What should you conclude? E Focus

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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4. On a national test of "mental intensity," u is 20 and the standard deviation 6.28. Students in your class produce the following scores: 25, 26, 34, 14, 33, 29, 22, 18, 16, 13, 21, 20, 22, 21, 34, 30 Using the criterion of 0.05 and both tails of the sampling distribution, determine if your class is representative of the population. a. State the null and alternative hypotheses. b. Using an alpha = 0.05, what is t (crit)? c. Using SPSS, calculate t (obt) (Use One Sample t test to get this info) d. What should you conclude? ates) E Focus
Transcribed Image Text:4. On a national test of "mental intensity," u is 20 and the standard deviation 6.28. Students in your class produce the following scores: 25, 26, 34, 14, 33, 29, 22, 18, 16, 13, 21, 20, 22, 21, 34, 30 Using the criterion of 0.05 and both tails of the sampling distribution, determine if your class is representative of the population. a. State the null and alternative hypotheses. b. Using an alpha = 0.05, what is t (crit)? c. Using SPSS, calculate t (obt) (Use One Sample t test to get this info) d. What should you conclude? ates) E Focus
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